Skull hair brush



FIG. 1 is a rear view showing my design;

FIG. 2 is a side view;

FIG. 3 is a front view;

FIG. 4 is a top perspective view;

FIG. 5 is a front perspective view; and,

FIG. 6 is a rear perspective view. 

CLAIM The ornamental design for a skull hair brush, as shown and described. 